Math
posted by askaaska .
As part of a training exercise, 16 firemen need to carry equipment up a ladder hooked to the top of an office building that is 15 meters tall. If the base of the ladder is 7 meters from the wall, about how long is the ladder?

You need to find the hypotenuse of this right triangle.
a^2 + b^2 = c^2
15^2 + 7^2 = c^2
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